Siobhan M. Sheehan, D.D.S. M.S.

EIN 04-3530890medical practiceLatest filing 2025

Plans

Retirement

$3.6M assets

Welfare

Participants

1510 TREMONT STREET - DUXBURY, MA 02332781-934-5018drsheehanorthodontics.comLinkedIn1-10 employeesmedical practice

Plans on this EIN

1 filing

#001401(k)-$3.6M - 4 part

Plan deep-dives

Open the plan detail for the full per-plan analytics: fees vs peers, audit grade, asset trajectory, contribution flow, Schedule C providers, and more.

Retirement#001

SIOBHAN M. SHEEHAN, D.D.S. M.S., P.C. 401(K) PLAN

401(k)

Assets$3.6M

Participants4

Inside the deep dive

Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers

Open plan deep dive

Single plan on file. The full analytics live on the plan detail page - drill in to see them.

Retirement plans1

Plan #	Name	Type	Assets	Participants	Latest year
001	SIOBHAN M. SHEEHAN, D.D.S. M.S., P.C. 401(K) PLAN	401(k)	$3.6M	4	2025

Retirement plans

Filings through Oct 24, 2026.

Sponsor portfolio